Hadoop Streaming : Chaining Jobs - Stack Overflow
Oct 13, 2012 · The question is how to chain jobs in Hadoop, using Hadoop Streaming( only).
A starting point for learning how to implement …
For those who like MOOC as an option there is Intro to Hadoop and Mapreduce on Udacity, made in collaboration with Cloudera. During the course you have a chance to install Cloudera …
Hadoop Streaming Python Trivial Example Not working
Hadoop Streaming Python Trivial Example Not working Asked 12 years, 2 months ago Modified 7 years, 4 months ago Viewed 5k times
JAR does not exist or is not a normal file - Stack Overflow
Jun 15, 2018 · While running the wordcount example in Hadoop, I am facing the following error. saying "JAR does not exist or is not a normal file: …
Data flow in the classic Hadoop word count example in Python
Aug 18, 2013 · In particular, in Hadoop streaming a reducer receives the key-value pairs corresponding to a certain number of keys (it could be zero, one, or more keys) but you have …
Hadoop streaming 'cat' and 'wc' example---how do 'cat' mapper …
Sep 22, 2018 · The hadoop streaming command works perfectly and there is no problem. But I am unable to answer the following questions despite reading many times above linked …
Why number of splits are different for the same Hadoop example …
Feb 5, 2017 · I am executing maximum temperature example from chapter 2 of Hadoop Definitive Guide and I noticed that number of splits for Java example is different over Hadoop Streaming …
Not a valid jar when I was running an example of Hadoop
Jan 28, 2018 · The command I use is Python name.py u.data -r hadoop --hadoop-streaming-jar HADOOP-STREAM > result.out where name.py is my mrjob and u.data is the data file. I got a …
java - Sorting by value in Hadoop from a file - Stack Overflow
Nov 28, 2011 · The input keys have to be split into ranges and a custom partitioner used. See Yahoo TeraSort PDF for details. Code is in the org.apache.hadoop.examples.terasort …
How would you suggest performing "Join" with Hadoop streaming?
Mar 11, 2014 · field1, field2, field3 field4, field1, field5 A different field number indicates a different meaning. I want to join the two files using Hadoop Streaming based on the mutual field (field1 …